. >> let's take a look at afghanistan, as a piece of that. under bush, we had about 30,000 troops there. that was tripled during the obama administration. so two-thirds of the cost of afghanistan was put into place under obama. >> hang on, hang on, hang on, it wasn't president obama that took america into war in afghanistan. >> you asked for percentage. >> i'm talking about if you analyze the percentage of blame here, then surely you have to go back to decisions that were taken which helped collectively to create this crisis. although you keep presenting other arguments, give me a straight percentage. what percentage of blame, as we stand here today, should be apportioned to republican decision making? >> well, again, you just asked about a number and i said of the cost of the afghan war, the whole afghan war today -- >> why are you avoiding my question. >> is $20 billion. i'm trying to give you a percentage of for instance the afghan war, two-thirds of the cost there this year was put in by obama. that's one piece of the puzzle. >> but 100%